How we can find underroots

1.	How we can find underroots
Answer» To find a\xa0square root\xa0of a number\xa0without\xa0a\xa0calculator, see if you can get to that whole number by squaring smaller numbers, or multiplying a smaller number by itself. If the number is a perfect\xa0square, you will get a whole number as the\xa0square root.\xa0First, divide the number you\'re trying to\xa0find\xa0the\xa0square root\xa0of by the average. Then,\xa0find\xa0the average of that number and the original average by adding them together and dividing by 2. For example, first you would divide 7, the number you started with, by 2.16, the average you calculated, and get 3.24.

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